Home / 126,867.39-190,322.97-42,635.64

Finding the Fourth Proportional to 126,867.39, 190,322.97 and 42,635.64

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Solution

The fourth proportional to 126,867.39, 190,322.97 and 42,635.64 is: 63,960.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,867.39 : 190,322.97 = 42,635.64 : x
  2. Step 2: Convert to fraction form
    126,867.39/190,322.97 = 42,635.64/x
  3. Step 3: Cross multiply
    126,867.39x = 190,322.97 × 42,635.64
  4. Step 4: Simplify right side
    126,867.39x = 8,114,541,632.65
  5. Step 5: Solve for x
    x = 8,114,541,632.65/126,867.39
  6. Step 6: Final answer
    x = 63,960.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.